Combinations of different cholesterol and triglyceride reducers are classified at separate 5th levels using the corresponding 50-series. The following ranking according to the ATC codes is used: Substances classified in ATC-group C10AA take precedence over C10AB etc.

Pantethine, which is also used in the treatment of hyperlipidemi, is classified as a vitamin in A11HA.

This group comprises agents which act as competitive inhibitors of 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMG CoA reductase). Atorvastatin in combination with amlodipine is classified in C10BX03.